Biogeography shows that all camels
a. came from ancestors that lived in north africa.
b. came from ancestors that lived in north america.
c. came from ancestors that lived in north egypt.
d. evolved from the llama.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe